Finding the Fourth Proportional to 11,246,572.20, 16,869,858.30 and 10,696,069.80
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Solution
The fourth proportional to 11,246,572.20, 16,869,858.30 and 10,696,069.80 is: 16,044,104.70
Step by Step Solution
- Step 1: Write the proportion equation
11,246,572.20 : 16,869,858.30 = 10,696,069.80 : x - Step 2: Convert to fraction form
11,246,572.20/16,869,858.30 = 10,696,069.80/x - Step 3: Cross multiply
11,246,572.20x = 16,869,858.30 × 10,696,069.80 - Step 4: Simplify right side
11,246,572.20x = 180,441,181,892,909.38 - Step 5: Solve for x
x = 180,441,181,892,909.38/11,246,572.20 - Step 6: Final answer
x = 16,044,104.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.